基本解釋[能源科學(xué)技術(shù)]最高鉆速英漢例句雙語(yǔ)例句When electrode negative ratio is zero, which is using MIG welding with DC ami welding wire being positive polarity, weld penetration is maximum , wire melting speed and deposition rate are minimum;當(dāng)負(fù)極性比率等于零即直流且焊絲為正極性的MIG焊時(shí)，其焊縫熔深最大，焊絲熔化系數(shù)最小，熔敷速度最小；maximum penetration rate更多例句專業(yè)釋義能源科學(xué)技術(shù)最高鉆速